Presidential elections · 2000–2024
Grundy County, IA — Presidential Election Results (2000–2024)
In 2024, Grundy County, Iowa voted for Donald J. Trump (Republican) by R+41.7 — 2,019 Democratic to 4,998 Republican of 7,146 votes cast. From 2020 to 2024 it shifted 4.1 points toward Republicans. That makes it 28.5 points more Republican than Iowa overall (R+13.2).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Grundy County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 2,019 | 4,998 | 129 | 28.3% | 69.9% | R+41.7 |
| 2020 | 2,206 | 4,945 | 125 | 30.3% | 68.0% | R+37.6 |
| 2016 | 1,856 | 4,527 | 489 | 27.0% | 65.9% | R+38.9 |
| 2012 | 2,635 | 4,215 | 112 | 37.8% | 60.5% | R+22.7 |
| 2008 | 2,790 | 3,945 | 93 | 40.9% | 57.8% | R+16.9 |
| 2004 | 2,386 | 4,429 | 34 | 34.8% | 64.7% | R+29.8 |
| 2000 | 2,139 | 3,851 | 121 | 35.0% | 63.0% | R+28.0 |
Grundy County presidential elections — FAQ
Who carried Grundy County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Grundy County, Iowa in 2024 by R+41.7, with 7,146 votes cast. Data: MIT Election Data & Science Lab.
How did Grundy County shift between 2020 and 2024?+
Grundy County shifted 4.1 points toward Republicans between 2020 (R+37.6) and 2024 (R+41.7).
Is Grundy County more Democratic or Republican than Iowa overall?+
In 2024, Grundy County went R+41.7 while Iowa overall went R+13.2 — 28.5 points more Republican than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.